SP3495E-3497E
HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE
REV. 1.0.0
UNLESS OTHERWISE NOTED: VCC = +3.0V TO +3.6V WITH T FROM -40OC TO +85OC. TYPICAL VALUES ARE AT
A
VCC = +3.3V AND 25OC.
SYMBOL
PARAMETERS
MIN.
TYP.
MAX. UNITS
CONDITIONS
IOZ
High-Z Receiver Output Current
-1
uA
RE = Vcc, VOUT = 0V
1
uA
RE = Vcc, VOUT = Vcc
IOSS
Receiver Output Short Circuit
Current
-95
24
32
mA VOUT = 0V
mA VOUT = Vcc
KΩ
95
RIN
Receiver Input Resistance
-7V ≤ VCM ≤ 12V
RECEIVER AC CHARACTERISTICS
freq
tPLH
Data Signaling Rate
Mbps 1/tUI, Duty Cycle 40 to 60%
Receiver Propagation Delay (Low to
High)
15
15
40
40
3
ns
ns
ns
VID = +/-2V, CL = 15pF, Freq =
8MHz, Figure 12 and 13
tPHL
Receiver Propagation Delay (High to
Low)
VID = +/-2V, CL = 15pF, Freq =
8MHz, Figure 12 and 13
skew
Receiver Propagation Delay Skew
VID = +/-2V, CL = 15pF, Freq =
8MHz, Figure 12 and 13
skew = |tPLH- PHL|
t
tR
tF
Receiver Output Rise Time
Receiver Output Fall Time
Receiver Enable to Output High
1
1
2
2
6
6
ns
ns
ns
CL = 15pF, Freq = 8MHz
CL = 15pF, Freq = 8MHz
tZH
50
CL = 15pF, RL = 1kΩ,
Figure 14
tZL
tHZ
tLZ
Receiver Enable to Output Low
Receiver Output High to Disable
Receiver Output Low to Disable
50
50
50
ns
ns
ns
CL = 15pF, RL = 1kΩ,
Figure 14
CL = 15pF, RL = 1kΩ,
Figure 14
CL = 15pF, RL = 1kΩ,
Figure 14
tZH(SHDN)
tZL(SHDN)
tSHDN
Shutdown to Receiver Output Valid
High
6
6
us
us
ns
CL = 15pF, RL = 1kΩ
CL = 15pF, RL = 1kΩ
Note 2 and 3
Shutdown to Receiver Output Valid
Low
Time to Shutdown
50
600
POWER REQUIRMENTS AND RECOMMENDED OPERATING CONDITIONS
Vcc
Supply Voltage
3.0
3.3
3.6
5.0
V
ICC1
Supply Current - Driver Enabled
mA DE = Vcc, No Load, RE and DI
= 0V or Vcc
ICC2
ICC3
Supply Current - Receiver Enabled
Supply Current - Shutdown Mode
5.0
6
mA DE = 0V, RE = 0V, No Load
1
uA
DE = 0V, RE = Vcc, DI = Vcc or
0V
TSD
Thermal Shutdown Temperature
165
°C
6
EXAR [ EXAR CORPORATION ]
